golang实现支付功能

go get GitHub.com/smartwalle/alipay/v3

package main

import (
    "fmt"
    "github.com/smartwalle/alipay/v3"
    "log"
)

func main() {
    aClient, err := alipay.New("appID", "privateKey", false)
    if err != nil {
        log.Fatalf("new alipay client error:%v", err)
    }

    var p = alipay.TradePagePay{}
    p.Subject = "test"
    p.OutTradeNo = "123456"
    p.TotalAmount = "0.01"
    p.ProductCode = "FAST_INSTANT_TRADE_PAY"
    var url, err = aClient.TradePagePay(p)
    if err != nil {
        log.Fatalf("trade page pay error:%v", err)
    }

    fmt.Println(url)
}

package main

import (
    "fmt"
    "github.com/smartwalle/alipay/v3"
    "io/ioutil"
    "log"
    "net/Http"
)

func main() {
    http.HandleFunc("/notify_url", func(writer http.ResponseWriter, request *http.Request) {
        bytes, err := ioutil.ReadAll(request.Body)
        if err != nil {
            log.Fatalf("read request body error:%v", err)
        }

        aClient, err := alipay.New("appID", "privateKey", false)
        if err != nil {
            log.Fatalf("new alipay client error:%v", err)
        }

        var result alipay.TradeNotifyResponse
        err = aClient.TradeNotify(bytes, &result)
        if err != nil {
            log.Fatalf("alipay trade notify error:%v", err)
        }

        fmt.Println(result)
    })

    http.ListenAndServe(":8080", nil)
}

package main

import (
    "fmt"
    "github.com/smartwalle/alipay/v3"
    "log"
)

func main() {
    aClient, err := alipay.New("appID", "privateKey", false)
    if err != nil {
        log.Fatalf("new alipay client error:%v", err)
    }

    var p = alipay.TradeQuery{}
    p.OutTradeNo = "123456"
    p.QueryOptions = []string{"TRADE_SETTLE_INFO"}
    var result, err = aClient.TradeQuery(p)
    if err != nil {
        log.Fatalf("alipay trade query error:%v", err)
    }

    fmt.Println(result)
}